Today we took at look at the causes of the unprecedented Stock Market Crash of 1929 that will cause the devastating Great Depression of the 1930s. Issues that led to the stock market crash and the collapse of the American economy were: 1) Over speculation in stocks/buying stocks on margin, 2) Lack of economic diversification, 3) Uneven distribution of wealth, 4) Declining exports, 5) Unstable international debt structure, 6) Banking collapse, 7) Decline of consumer price index.